revered for their intellectual depth technical command and artistic beauty bach s works include the brandenburg concertos the goldberg variations the partitas the welltempered clavier the mass in b minor the st matthew passion the st john passion the magnificat the musical offering the art of fugue the english and french suites the sonatas and partitas for solo violin the cello suites more than surviving cantatas and a similar number of organ works including the celebrated toccata and fugue in d minor and passacaglia and fugue in c minor